Our Personalized Guide to Buying a Home
Advice and key information from our our experienced team of real estate professionals.

Get your guide
Buy your first home at the best possible price for your local market. With advice and tips from a team of experts, this book will help you.
• explore what's available and where the best values are
• qualify for and line up financing
• work with the seller to make needed repairs and close the deal
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OUR AGENTS
Katie O'Brien
Real estate has never been just about homes.
It’s about the people who live in them, the dreams they hold, and the next chapter they’re preparing to begin.
That’s why I built Radiant Group Realty.
After more than two decades helping clients navigate some of life’s biggest decisions, I realized people weren’t looking for another salesperson.
They were looking for someone who could bring clarity, confidence, and calm to moments that often feel overwhelming. Someone who could see the bigger picture, solve problems before they became obstacles, and help them move forward with confidence.
That has become the foundation of everything I do.
I lead every transaction with thoughtful strategy, honest communication, and a commitment to helping my clients understand not only what we’re doing, but why we’re doing it. I believe informed clients make confident decisions, and confidence changes everything.
As a licensed Managing Broker in both Illinois and Indiana, professional home stager, mixed-media artist, and entrepreneur, I bring together creativity and strategy in a way that helps every home stand out while keeping my clients’ goals at the center of every decision.
Whether I’m preparing a home for market, negotiating on behalf of a seller, helping a first-time buyer take the leap, or guiding a family through a major life transition, my focus never changes.
I want every client to feel heard.
I want every client to feel prepared.
And I want every client to walk away believing they had someone who genuinely stood beside them from beginning to beyond closing.
Outside of real estate, you’ll usually find me creating art, recording episodes of Illuminate, exploring new places, spending time with family and friends, or dreaming up the next idea that brings people together. Creativity has always been part of who I am, and it influences everything I do, from marketing homes to building a brokerage centered on relationships, community, and possibility.
Radiant Group Realty was built on one simple belief:
Every move deserves thoughtful leadership. Every relationship deserves genuine care. Every future deserves the chance to shine a little brighter.
I would be honored to help illuminate your next move.

